Marjala was originally drafted by the Sabres in the fifth round of the 2021 NHL Draft but never signed. Marjala spent the past three seasons in Finland with TPS Turku, posting 29 goals and 72 assists (101 points) in 129 games. In the 2024-25 season, he tied for the team lead with 52 points (8G / 44A) in 54 games.